import os

ASEPRITE_PATH = "D:/Steam/steamapps/common/Aseprite/aseprite.exe"

FILE_NAME_FLAG = "[FILE_NAME]"
LAYER_NAME_FLAG = "[LAYER_NAME]"
OUTPUT_NAME_FLAG = "[OUTPUT_NAME]"
CMD_QUERY_LAYAERS = ASEPRITE_PATH + \
    " -b --list-layers --all-layers " + FILE_NAME_FLAG
CMD_EXPORT = ASEPRITE_PATH + " -b --layer " + LAYER_NAME_FLAG + \
    " " + FILE_NAME_FLAG + " --save-as "+OUTPUT_NAME_FLAG+".png"


def func(path):
    filelist = os.listdir(path)
    os.chdir(path)
    for filename in filelist:
        filepath = os.path.join(path, filename)
        if os.path.isdir(filepath):
            print("--", filepath)
            func(filepath)
        else:
            if filename.endswith(".aseprite"):
                print("["+filename+"]")
                cmdtag = CMD_QUERY_LAYAERS.replace(FILE_NAME_FLAG, filename)
                f = os.popen(cmdtag, "r")
                for tagLine in f.readlines():
                    layer = tagLine.replace("\n", "")
                    outputName = filename.split(".")[0]+"_"+layer
                    print(outputName)
                    cmdexport = CMD_EXPORT.replace(
                        FILE_NAME_FLAG, filename).replace(LAYER_NAME_FLAG, layer).replace(OUTPUT_NAME_FLAG, outputName)
                    print(cmdexport)
                    os.popen(cmdexport, "r")


if __name__ == "__main__":
    func(os.getcwd())